The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 2014
Filed:
Jul. 15, 2004
Jean Guesnon, Chatou, FR;
Jean Guesnon, Chatou, FR;
IFP Energies Nouvelles, Rueil-Malmaison Cedex, FR;
Abstract
The offshore drilling system comprises a floating drilling vessel, a well drilled in the sea bottom, a tubular riser extending the well up to the floating vessel, well sealing elements fastened to the end of the riser at the level of floating vessel. The riser comprises tubular elementsconnected to one another by connectorsdesigned to withstand the internal pressure of the well. Tubularscomprise a metallic tubular body hooped by windings of fibers coated with a polymer matrix. The riser comprises several sections, each section consisting of tube elements whose hoop stress is determined as a function of the depth at which the section lies and of the mechanical strength of said metallic tubular body.